Process for producing expandable pellets

Details Process for producing expandable pellets Process for producing expandable pellets

A - Human Necessities

21

D

A21D 8/00 (2006.01) A23L 1/216 (2006.01) A23L 1/217 (2006.01)

Patent

CA 2464016

With the process for producing potato based expandable pellets, an intermediary product is manufactured that is capable of being stored for up to about six months. These pellets can be later expanded into a food product, particularly a potato based snack product that has improved flavor qualities nad increased oil pick up. To form the pellets, a potato meal is passed through a twin screw extruder at a relatively low extruder rotational speed, which increases the residence time and the volume of bed pack in the extruder while decreasing shear. The extrudate produced is then split into ribbons that are subsequently perforated. These ribbons are then formed into shaped pellets.

Le procédé de production de granules expansibles à base de pommes de terre selon l'invention permet de fabriquer un produit intermédiaire pouvant être stocké jusqu'à environ six mois. Lesdites granules peuvent plus tard être expansées dans un produit alimentaire, notamment un produit de grignotage à base de pommes de terre qui présente des qualités de saveur améliorées et une meilleure absorption d'huile. Afin de former les granules, une farine de pommes de terre est passée dans une extrudeuse à double vis à une vitesse de rotation de l'extrudeuse relativement faible, ce qui augmente le temps de séjour et le volume de matière du lit dans l'extrudeuse tout en diminuant le cisaillement. L'extrudat produit est ensuite divisé en rubans qui sont ensuite perforés. Lesdits rubans sont alors transformés en granules profilées.

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